Home / 7,276.94-10,914.35-3,578.18

Finding the Fourth Proportional to 7,276.94, 10,914.35 and 3,578.18

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Solution

The fourth proportional to 7,276.94, 10,914.35 and 3,578.18 is: 5,366.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.94 : 10,914.35 = 3,578.18 : x
  2. Step 2: Convert to fraction form
    7,276.94/10,914.35 = 3,578.18/x
  3. Step 3: Cross multiply
    7,276.94x = 10,914.35 × 3,578.18
  4. Step 4: Simplify right side
    7,276.94x = 39,053,436.42
  5. Step 5: Solve for x
    x = 39,053,436.42/7,276.94
  6. Step 6: Final answer
    x = 5,366.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.